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3 years ago

Evaluate 24-(7-2+x) when x=4(show work)

Mathematics

2 answers:

sergejj [24]3 years ago

8 0

$\large\text{Hey there!}$

$\large\boxed{\mathsf{24 - (7 - 2 + 4)}}\\\\\large\boxed{\mathsf{= 24 - (5 + 4)}}\\\\\large\boxed{\mathsf{= 24 - 9}}\\\\\large\boxed{\mathsf{= 15}}\\\\\large\text{Therefore, your answer is: \huge\boxed{\mathsf{15}}}\huge\checkmark$

$\large\text{Good luck on your assugnment \& enjoy your day!}\\\\\frak{Amphitritr1040:)}$

solmaris [256]3 years ago

4 0

Answer:19

Step-by-step explanation:

Subtract 2 from 7 to get 5

To find the opposite of 5+x, find the opposite of each term.

Subtract 5 from 24 to get 19.

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A pole that is 3.5m tall casts a shadow that is 1.47m long. At the same time, a nearby tower casts a shadow that is 42.75m long.

Stells [14]

Answer:

The height of the tower nearby the pole is 102 m.

Solution:

Given,

Height of the pole = 3.5 m

Length of the shadow of the pole = 1.47 m

Length of the shadow of the tower nearby = 42.75 m

Let us assume the height of the tower as x

$\frac{height of the pole}{length of the shadow of the pole}=\frac{height of the tower}{length of the shadow of the tower}$

$\frac{3.5}{1.47} = \frac{x}{42.75}$

On solving for x we get,

$x = \frac{3.5}{1.47}\times 42.75$

$x = 101.785 m$

On rounding off to the nearest meter we get,

x=102 m

$\therefore$ The height of the tower is 102 meter.

7 0

3 years ago

-9f +19-1 + f) 12-=8f is this the answer?

jeka94

Hi!

-9f + 19 - 1 + f is actually -8f + 18.

To do this we add like terms, -9f and f; and 19 and -1

-9f + f is -8f

19 - 1 is 18

Therefore your answer is -8f + 18

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3 years ago

Joe bought 15 items for $135. If the 15 items consisted of notebooks that cost $4.50 each and calculators that cost $12.00 each,

Luda [366]

n + c = 15

4.5n + 12c = 135

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12c = 180 - 12n

180 - 12n + 4.5n = 135

-7.5n = - 45

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3 years ago

Evaluate 24-(7-2+x) when x=4(show work) ​

Evaluate 24-(7-2+x) when x=4(show work)